refactor risks models

risks/migrations/0001_initial.py

@@ -1,9 +1,11 @@
-# Generated by Django 5.2.6 on 2025-09-05 20:00
+# Generated by Django 5.2.6 on 2025-09-22 06:32
 
 import django.contrib.auth.models
 import django.contrib.auth.validators
 import django.db.models.deletion
 import django.utils.timezone
+import multiselectfield.db.fields
+import risks.models.auditlog
 from django.conf import settings
 from django.db import migrations, models
 
@@ -14,9 +16,26 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ('auth', '0012_alter_user_first_name_max_length'),
+        ('contenttypes', '0002_remove_content_type_name'),
     ]
 
     operations = [
+        migrations.CreateModel(
+            name='NotificationRule',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('kind', models.CharField(choices=[('risk.created', 'Risk created'), ('risk.updated', 'Risk updated'), ('risk.deleted', 'Risk deleted'), ('risk.review_required', 'Risk review required'), ('risk.review_completed', 'Risk review completed'), ('control.created', 'Control created'), ('control.updated', 'Control updated'), ('control.deleted', 'Control deleted'), ('residual.created', 'Residual created'), ('residual.updated', 'Residual updated'), ('residual.deleted', 'Residual deleted'), ('residual.review_required', 'Residual review required'), ('residual.review_completed', 'Residual review completed'), ('incident.created', 'Incident created'), ('incident.updated', 'Incident updated'), ('incident.deleted', 'Incident deleted'), ('user.created', 'User created'), ('user.deleted', 'User deleted')], max_length=40, unique=True, verbose_name='Event')),
+                ('enabled_in_app', models.BooleanField(default=True, verbose_name='Show in app')),
+                ('enabled_email', models.BooleanField(default=False, verbose_name='Send via email')),
+                ('to_owner', models.BooleanField(default=True, verbose_name='Send to owner/responsible/reporter (if available)')),
+                ('to_staff', models.BooleanField(default=False, verbose_name='Send to all staff')),
+                ('extra_recipients', models.TextField(blank=True, verbose_name='Extra recipients (emails, comma or newline separated)')),
+            ],
+            options={
+                'verbose_name': 'Notification rule',
+                'verbose_name_plural': 'Notification rules',
+            },
+        ),
         migrations.CreateModel(
             name='User',
             fields=[
@@ -44,36 +63,145 @@ class Migration(migrations.Migration):
                 ('objects', django.contrib.auth.models.UserManager()),
             ],
         ),
+        migrations.CreateModel(
+            name='AuditLog',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('action', models.CharField(choices=[('create', 'Created'), ('update', 'Updated'), ('delete', 'Deleted')], max_length=10)),
+                ('model', models.CharField(max_length=100)),
+                ('object_id', models.CharField(max_length=50)),
+                ('changes', models.JSONField(blank=True, encoder=risks.models.auditlog.SafeJSONEncoder, null=True)),
+                ('timestamp', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='audit_logs', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'Auditlog',
+                'verbose_name_plural': 'Auditlogs',
+            },
+        ),
+        migrations.CreateModel(
+            name='Notification',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('message', models.TextField()),
+                ('kind', models.CharField(choices=[('risk.created', 'Risk created'), ('risk.updated', 'Risk updated'), ('risk.deleted', 'Risk deleted'), ('risk.review_required', 'Risk review required'), ('risk.review_completed', 'Risk review completed'), ('control.created', 'Control created'), ('control.updated', 'Control updated'), ('control.deleted', 'Control deleted'), ('residual.created', 'Residual created'), ('residual.updated', 'Residual updated'), ('residual.deleted', 'Residual deleted'), ('residual.review_required', 'Residual review required'), ('residual.review_completed', 'Residual review completed'), ('incident.created', 'Incident created'), ('incident.updated', 'Incident updated'), ('incident.deleted', 'Incident deleted'), ('user.created', 'User created'), ('user.deleted', 'User deleted')], default='', max_length=40)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('read', models.BooleanField(default=False)),
+                ('sent', models.BooleanField(default=False)),
+                ('object_id', models.PositiveIntegerField(blank=True, null=True)),
+                ('target_url', models.CharField(blank=True, max_length=500, null=True)),
+                ('content_type', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='contenttypes.contenttype')),
+                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='notifications', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'Notification',
+                'verbose_name_plural': 'Notifications',
+            },
+        ),
+        migrations.CreateModel(
+            name='NotificationPreference',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('risk_created', models.BooleanField(default=True)),
+                ('risk_updated', models.BooleanField(default=True)),
+                ('risk_deleted', models.BooleanField(default=True)),
+                ('control_created', models.BooleanField(default=True)),
+                ('control_updated', models.BooleanField(default=True)),
+                ('control_deleted', models.BooleanField(default=True)),
+                ('residual_created', models.BooleanField(default=True)),
+                ('residual_updated', models.BooleanField(default=True)),
+                ('residual_deleted', models.BooleanField(default=True)),
+                ('review_required', models.BooleanField(default=True)),
+                ('review_completed', models.BooleanField(default=True)),
+                ('user_created', models.BooleanField(default=False)),
+                ('user_deleted', models.BooleanField(default=False)),
+                ('incident_created', models.BooleanField(default=True)),
+                ('incident_updated', models.BooleanField(default=True)),
+                ('incident_deleted', models.BooleanField(default=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='notification_preference', to=settings.AUTH_USER_MODEL, verbose_name='User')),
+            ],
+        ),
         migrations.CreateModel(
             name='Risk',
             fields=[
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('title', models.CharField(max_length=255)),
+                ('title', models.CharField(max_length=255, verbose_name='Title')),
-                ('asset', models.CharField(blank=True, max_length=255, null=True)),
+                ('description', models.TextField(blank=True, max_length=225, null=True, verbose_name='Description')),
-                ('process', models.CharField(blank=True, max_length=255, null=True)),
+                ('asset', models.CharField(blank=True, max_length=255, null=True, verbose_name='Asset')),
-                ('category', models.CharField(blank=True, max_length=255, null=True)),
+                ('process', models.CharField(blank=True, max_length=255, null=True, verbose_name='Process')),
+                ('category', models.CharField(blank=True, max_length=255, null=True, verbose_name='Category')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Created at')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Updated at')),
+                ('effects', models.TextField(blank=True, null=True, verbose_name='Effects')),
+                ('status', models.CharField(choices=[('open', 'Open'), ('in_progress', 'In Progress'), ('closed', 'Closed'), ('review_required', 'Review required')], db_index=True, default='open', max_length=20, verbose_name='Status')),
+                ('cia', multiselectfield.db.fields.MultiSelectField(blank=True, choices=[('1', 'Confidentiality'), ('2', 'Integrity'), ('3', 'Availability')], max_length=100, null=True)),
                 ('likelihood', models.IntegerField(choices=[(1, 'Very low – occurs less than once every 5 years'), (2, 'Low – once every 1–5 years'), (3, 'Likely – once per year or more'), (4, 'Very likely – multiple times per year/monthly')], default=1)),
-                ('impact', models.IntegerField(choices=[(1, 'Low (< 1,000 € – minor operational impact)'), (2, 'Medium (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1)),
+                ('impact', models.IntegerField(choices=[(1, 'Very Low (< 1,000 € – minor operational impact)'), (2, 'Low (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1)),
                 ('score', models.IntegerField(editable=False)),
                 ('level', models.CharField(editable=False, max_length=50)),
                 ('follow_up', models.DateField(blank=True, null=True)),
-                ('confidentiality', models.BooleanField(default=False)),
-                ('integrity', models.BooleanField(default=False)),
-                ('availability', models.BooleanField(default=False)),
                 ('owner', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='owned_risks', to=settings.AUTH_USER_MODEL)),
             ],
+            options={
+                'verbose_name': 'Risk',
+                'verbose_name_plural': 'Risks',
+            },
+        ),
+        migrations.CreateModel(
+            name='ResidualRisk',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('likelihood', models.IntegerField(choices=[(1, 'Very low – occurs less than once every 5 years'), (2, 'Low – once every 1–5 years'), (3, 'Likely – once per year or more'), (4, 'Very likely – multiple times per year/monthly')], default=1)),
+                ('impact', models.IntegerField(choices=[(1, 'Very Low (< 1,000 € – minor operational impact)'), (2, 'Low (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1)),
+                ('score', models.IntegerField(editable=False)),
+                ('level', models.CharField(editable=False, max_length=50)),
+                ('review_required', models.BooleanField(default=False)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('risk', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='residual_risk', to='risks.risk')),
+            ],
+            options={
+                'verbose_name': 'Residual Risk',
+                'verbose_name_plural': 'Residual Risks',
+            },
+        ),
+        migrations.CreateModel(
+            name='Incident',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255, verbose_name='Title')),
+                ('description', models.TextField(blank=True, null=True, verbose_name='Description')),
+                ('date_reported', models.DateField(blank=True, null=True, verbose_name='Date reported')),
+                ('status', models.CharField(choices=[('open', 'Opened'), ('in_progress', 'In Progress'), ('closed', 'Closed')], max_length=12)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('reported_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='incidents', to=settings.AUTH_USER_MODEL, verbose_name='Reported by')),
+                ('related_risks', models.ManyToManyField(blank=True, related_name='incidents', to='risks.risk')),
+            ],
+            options={
+                'verbose_name': 'Incident',
+                'verbose_name_plural': 'Incidents',
+            },
         ),
         migrations.CreateModel(
             name='Control',
             fields=[
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('title', models.CharField(max_length=255)),
+                ('title', models.CharField(max_length=255, verbose_name='Title')),
                 ('status', models.CharField(choices=[('planned', 'Planned'), ('in_progress', 'In progress'), ('completed', 'Completed'), ('verified', 'Verified'), ('rejected', 'Rejected')], default='planned', max_length=20)),
                 ('due_date', models.DateField(blank=True, null=True)),
                 ('description', models.TextField(blank=True, null=True)),
                 ('wiki_link', models.URLField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
                 ('responsible', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='responsible_controls', to=settings.AUTH_USER_MODEL)),
-                ('risk', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='controls', to='risks.risk')),
+                ('risks', models.ManyToManyField(blank=True, related_name='controls', to='risks.risk')),
             ],
+            options={
+                'verbose_name': 'Control',
+                'verbose_name_plural': 'Controls',
+            },
         ),
     ]

risks/migrations/0002_residualrisk.py

@@ -1,25 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-06 10:52
-
-import django.db.models.deletion
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='ResidualRisk',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('likelihood', models.IntegerField(choices=[(1, 'Very low – occurs less than once every 5 years'), (2, 'Low – once every 1–5 years'), (3, 'Likely – once per year or more'), (4, 'Very likely – multiple times per year/monthly')], default=1)),
-                ('impact', models.IntegerField(choices=[(1, 'Low (< 1,000 € – minor operational impact)'), (2, 'Medium (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1)),
-                ('score', models.IntegerField(editable=False)),
-                ('level', models.CharField(editable=False, max_length=50)),
-                ('risk', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='residual_risk', to='risks.risk')),
-            ],
-        ),
-    ]

risks/migrations/0003_risk_cia.py

@@ -1,19 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-06 11:39
-
-import multiselectfield.db.fields
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0002_residualrisk'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='risk',
-            name='cia',
-            field=multiselectfield.db.fields.MultiSelectField(blank=True, choices=[(1, 'Confidentiality'), (2, 'Integrity'), (3, 'Availability')], max_length=100, null=True),
-        ),
-    ]

risks/migrations/0004_remove_risk_availability_remove_risk_confidentiality_and_more.py

@@ -1,44 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-07 09:52
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0003_risk_cia'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='risk',
-            name='availability',
-        ),
-        migrations.RemoveField(
-            model_name='risk',
-            name='confidentiality',
-        ),
-        migrations.RemoveField(
-            model_name='risk',
-            name='integrity',
-        ),
-        migrations.AddField(
-            model_name='residualrisk',
-            name='review_required',
-            field=models.BooleanField(default=False),
-        ),
-        migrations.CreateModel(
-            name='AuditLog',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('action', models.CharField(choices=[('create', 'Created'), ('update', 'Updated'), ('delete', 'Deleted')], max_length=10)),
-                ('model', models.CharField(max_length=100)),
-                ('object_id', models.CharField(max_length=50)),
-                ('changes', models.JSONField(blank=True, null=True)),
-                ('timestamp', models.DateTimeField(auto_now_add=True)),
-                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='audit_logs', to=settings.AUTH_USER_MODEL)),
-            ],
-        ),
-    ]

risks/migrations/0005_incidents.py

@@ -1,27 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-07 10:37
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0004_remove_risk_availability_remove_risk_confidentiality_and_more'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Incidents',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('title', models.CharField(max_length=255)),
-                ('description', models.TextField(blank=True, null=True)),
-                ('date_reported', models.DateField(blank=True, null=True)),
-                ('status', models.CharField(choices=[('open', 'Opened'), ('in_progress', 'In Progress'), ('close', 'Closed')], max_length=12)),
-                ('related_risks', models.ManyToManyField(blank=True, related_name='incidents', to='risks.risk')),
-                ('reported_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='incidents', to=settings.AUTH_USER_MODEL)),
-            ],
-        ),
-    ]

risks/migrations/0006_rename_incidents_incident.py

@@ -1,17 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-07 16:55
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0005_incidents'),
-    ]
-
-    operations = [
-        migrations.RenameModel(
-            old_name='Incidents',
-            new_name='Incident',
-        ),
-    ]

risks/migrations/0007_notification.py

@@ -1,26 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-07 18:31
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0006_rename_incidents_incident'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Notification',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('message', models.TextField()),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('read', models.BooleanField(default=False)),
-                ('send', models.BooleanField(default=False)),
-                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='notifications', to=settings.AUTH_USER_MODEL)),
-            ],
-        ),
-    ]

risks/migrations/0008_rename_send_notification_sent.py

@@ -1,18 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-07 19:59
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0007_notification'),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name='notification',
-            old_name='send',
-            new_name='sent',
-        ),
-    ]

risks/migrations/0009_risk_created_at_risk_updatet_at.py

@@ -1,25 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-08 09:15
-
-import django.utils.timezone
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0008_rename_send_notification_sent'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='risk',
-            name='created_at',
-            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name='risk',
-            name='updatet_at',
-            field=models.DateTimeField(auto_now=True),
-        ),
-    ]

risks/migrations/0010_alter_residualrisk_impact_and_more.py

@@ -1,39 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-08 09:44
-
-import multiselectfield.db.fields
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0009_risk_created_at_risk_updatet_at'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='residualrisk',
-            name='impact',
-            field=models.IntegerField(choices=[('1', 'Low (< 1,000 € – minor operational impact)'), ('2', 'Medium (1,000–5,000 € – local impact)'), ('3', 'High (5,000–15,000 € – team-level impact)'), ('4', 'Severe (50,000–100,000 € – regional impact)'), ('5', 'Critical (> 100,000 € – existential threat)')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='residualrisk',
-            name='likelihood',
-            field=models.IntegerField(choices=[('1', 'Very low – occurs less than once every 5 years'), ('2', 'Low – once every 1–5 years'), ('3', 'Likely – once per year or more'), ('4', 'Very likely – multiple times per year/monthly')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='risk',
-            name='cia',
-            field=multiselectfield.db.fields.MultiSelectField(blank=True, choices=[('1', 'Confidentiality'), ('2', 'Integrity'), ('3', 'Availability')], max_length=100, null=True),
-        ),
-        migrations.AlterField(
-            model_name='risk',
-            name='impact',
-            field=models.IntegerField(choices=[('1', 'Low (< 1,000 € – minor operational impact)'), ('2', 'Medium (1,000–5,000 € – local impact)'), ('3', 'High (5,000–15,000 € – team-level impact)'), ('4', 'Severe (50,000–100,000 € – regional impact)'), ('5', 'Critical (> 100,000 € – existential threat)')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='risk',
-            name='likelihood',
-            field=models.IntegerField(choices=[('1', 'Very low – occurs less than once every 5 years'), ('2', 'Low – once every 1–5 years'), ('3', 'Likely – once per year or more'), ('4', 'Very likely – multiple times per year/monthly')], default=1),
-        ),
-    ]

risks/migrations/0011_risk_description.py

@@ -1,18 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-08 09:52
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0010_alter_residualrisk_impact_and_more'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='risk',
-            name='description',
-            field=models.TextField(blank=True, max_length=225, null=True),
-        ),
-    ]

risks/migrations/0012_alter_residualrisk_impact_and_more.py

@@ -1,33 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-08 09:53
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('risks', '0011_risk_description'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='residualrisk',
-            name='impact',
-            field=models.IntegerField(choices=[(1, 'Low (< 1,000 € – minor operational impact)'), (2, 'Medium (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='residualrisk',
-            name='likelihood',
-            field=models.IntegerField(choices=[(1, 'Very low – occurs less than once every 5 years'), (2, 'Low – once every 1–5 years'), (3, 'Likely – once per year or more'), (4, 'Very likely – multiple times per year/monthly')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='risk',
-            name='impact',
-            field=models.IntegerField(choices=[(1, 'Low (< 1,000 € – minor operational impact)'), (2, 'Medium (1,000–5,000 € – local impact)'), (3, 'High (5,000–15,000 € – team-level impact)'), (4, 'Severe (50,000–100,000 € – regional impact)'), (5, 'Critical (> 100,000 € – existential threat)')], default=1),
-        ),
-        migrations.AlterField(
-            model_name='risk',
-            name='likelihood',
-            field=models.IntegerField(choices=[(1, 'Very low – occurs less than once every 5 years'), (2, 'Low – once every 1–5 years'), (3, 'Likely – once per year or more'), (4, 'Very likely – multiple times per year/monthly')], default=1),
-        ),
-    ]

risks/migrations/0013_control_created_at_control_updatet_at_and_more.py

@@ -1,52 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 07:00
-
-import django.utils.timezone
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0012_alter_residualrisk_impact_and_more"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="control",
-            name="created_at",
-            field=models.DateTimeField(
-                auto_now_add=True, default=django.utils.timezone.now
-            ),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name="control",
-            name="updatet_at",
-            field=models.DateTimeField(auto_now=True),
-        ),
-        migrations.AddField(
-            model_name="incident",
-            name="created_at",
-            field=models.DateTimeField(
-                auto_now_add=True, default=django.utils.timezone.now
-            ),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name="incident",
-            name="updatet_at",
-            field=models.DateTimeField(auto_now=True),
-        ),
-        migrations.AddField(
-            model_name="residualrisk",
-            name="created_at",
-            field=models.DateTimeField(
-                auto_now_add=True, default=django.utils.timezone.now
-            ),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name="residualrisk",
-            name="updatet_at",
-            field=models.DateTimeField(auto_now=True),
-        ),
-    ]

risks/migrations/0014_remove_control_risk_control_risks.py

@@ -1,21 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 07:12
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0013_control_created_at_control_updatet_at_and_more"),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name="control",
-            name="risk",
-        ),
-        migrations.AddField(
-            model_name="control",
-            name="risks",
-            field=models.ManyToManyField(related_name="controls", to="risks.risk"),
-        ),
-    ]

risks/migrations/0015_alter_auditlog_changes.py

@@ -1,20 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 08:37
-
-import risks.models
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0014_remove_control_risk_control_risks"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="auditlog",
-            name="changes",
-            field=models.JSONField(
-                blank=True, encoder=risks.models.SafeJSONEncoder, null=True
-            ),
-        ),
-    ]

risks/migrations/0016_rename_updatet_at_control_updated_at_and_more.py

@@ -1,32 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 09:08
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0015_alter_auditlog_changes"),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name="control",
-            old_name="updatet_at",
-            new_name="updated_at",
-        ),
-        migrations.RenameField(
-            model_name="incident",
-            old_name="updatet_at",
-            new_name="updated_at",
-        ),
-        migrations.RenameField(
-            model_name="residualrisk",
-            old_name="updatet_at",
-            new_name="updated_at",
-        ),
-        migrations.RenameField(
-            model_name="risk",
-            old_name="updatet_at",
-            new_name="updated_at",
-        ),
-    ]

risks/migrations/0017_alter_incident_status.py

@@ -1,24 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 09:17
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0016_rename_updatet_at_control_updated_at_and_more"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="incident",
-            name="status",
-            field=models.CharField(
-                choices=[
-                    ("open", "Opened"),
-                    ("in_progress", "In Progress"),
-                    ("closed", "Closed"),
-                ],
-                max_length=12,
-            ),
-        ),
-    ]

risks/migrations/0018_alter_auditlog_options_alter_control_options_and_more.py

@@ -1,108 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 11:53
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0017_alter_incident_status"),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name="auditlog",
-            options={"verbose_name": "Auditlog", "verbose_name_plural": "Auditlogs"},
-        ),
-        migrations.AlterModelOptions(
-            name="control",
-            options={"verbose_name": "Control", "verbose_name_plural": "Controls"},
-        ),
-        migrations.AlterModelOptions(
-            name="residualrisk",
-            options={
-                "verbose_name": "Residual Risk",
-                "verbose_name_plural": "Residual Risks",
-            },
-        ),
-        migrations.AlterModelOptions(
-            name="risk",
-            options={"verbose_name": "Risk", "verbose_name_plural": "Risks"},
-        ),
-        migrations.AlterField(
-            model_name="control",
-            name="title",
-            field=models.CharField(max_length=255, verbose_name="Title"),
-        ),
-        migrations.AlterField(
-            model_name="incident",
-            name="date_reported",
-            field=models.DateField(blank=True, null=True, verbose_name="Date reported"),
-        ),
-        migrations.AlterField(
-            model_name="incident",
-            name="description",
-            field=models.TextField(blank=True, null=True, verbose_name="Description"),
-        ),
-        migrations.AlterField(
-            model_name="incident",
-            name="reported_by",
-            field=models.ForeignKey(
-                blank=True,
-                null=True,
-                on_delete=django.db.models.deletion.SET_NULL,
-                related_name="incidents",
-                to=settings.AUTH_USER_MODEL,
-                verbose_name="Reported by",
-            ),
-        ),
-        migrations.AlterField(
-            model_name="incident",
-            name="title",
-            field=models.CharField(max_length=255, verbose_name="Title"),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="asset",
-            field=models.CharField(
-                blank=True, max_length=255, null=True, verbose_name="Asset"
-            ),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="category",
-            field=models.CharField(
-                blank=True, max_length=255, null=True, verbose_name="Category"
-            ),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="created_at",
-            field=models.DateTimeField(auto_now_add=True, verbose_name="Created at"),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="description",
-            field=models.TextField(
-                blank=True, max_length=225, null=True, verbose_name="Description"
-            ),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="process",
-            field=models.CharField(
-                blank=True, max_length=255, null=True, verbose_name="Process"
-            ),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="title",
-            field=models.CharField(max_length=255, verbose_name="Title"),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="updated_at",
-            field=models.DateTimeField(auto_now=True, verbose_name="Updated at"),
-        ),
-    ]

risks/migrations/0019_alter_incident_options.py

@@ -1,16 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 11:55
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0018_alter_auditlog_options_alter_control_options_and_more"),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name="incident",
-            options={"verbose_name": "Incident", "verbose_name_plural": "Incidents"},
-        ),
-    ]

risks/migrations/0020_alter_residualrisk_impact_alter_risk_impact.py

@@ -1,40 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-09 12:19
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0019_alter_incident_options"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="residualrisk",
-            name="impact",
-            field=models.IntegerField(
-                choices=[
-                    (1, "Very Low (< 1,000 € – minor operational impact)"),
-                    (2, "Low (1,000–5,000 € – local impact)"),
-                    (3, "High (5,000–15,000 € – team-level impact)"),
-                    (4, "Severe (50,000–100,000 € – regional impact)"),
-                    (5, "Critical (> 100,000 € – existential threat)"),
-                ],
-                default=1,
-            ),
-        ),
-        migrations.AlterField(
-            model_name="risk",
-            name="impact",
-            field=models.IntegerField(
-                choices=[
-                    (1, "Very Low (< 1,000 € – minor operational impact)"),
-                    (2, "Low (1,000–5,000 € – local impact)"),
-                    (3, "High (5,000–15,000 € – team-level impact)"),
-                    (4, "Severe (50,000–100,000 € – regional impact)"),
-                    (5, "Critical (> 100,000 € – existential threat)"),
-                ],
-                default=1,
-            ),
-        ),
-    ]

risks/migrations/0021_risk_status_notificationpreference.py

@@ -1,71 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 09:18
-
-import django.db.models.deletion
-from django.conf import settings
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0020_alter_residualrisk_impact_alter_risk_impact"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="risk",
-            name="status",
-            field=models.CharField(
-                choices=[
-                    ("open", "Open"),
-                    ("in_progress", "In Progress"),
-                    ("closed", "Closed"),
-                    ("review_required", "Review required"),
-                ],
-                db_index=True,
-                default="open",
-                max_length=20,
-                verbose_name="Status",
-            ),
-        ),
-        migrations.CreateModel(
-            name="NotificationPreference",
-            fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                ("risk_created", models.BooleanField(default=True)),
-                ("risk_updated", models.BooleanField(default=True)),
-                ("risk_deleted", models.BooleanField(default=True)),
-                ("control_created", models.BooleanField(default=True)),
-                ("control_updated", models.BooleanField(default=True)),
-                ("control_deleted", models.BooleanField(default=True)),
-                ("residual_created", models.BooleanField(default=True)),
-                ("residual_updated", models.BooleanField(default=True)),
-                ("residual_deleted", models.BooleanField(default=True)),
-                ("review_required", models.BooleanField(default=True)),
-                ("review_completed", models.BooleanField(default=True)),
-                ("user_created", models.BooleanField(default=False)),
-                ("user_deleted", models.BooleanField(default=False)),
-                ("incident_created", models.BooleanField(default=True)),
-                ("incident_updated", models.BooleanField(default=True)),
-                ("incident_deleted", models.BooleanField(default=True)),
-                ("created_at", models.DateTimeField(auto_now_add=True)),
-                ("updated_at", models.DateTimeField(auto_now=True)),
-                (
-                    "user",
-                    models.OneToOneField(
-                        on_delete=django.db.models.deletion.CASCADE,
-                        related_name="notification_preference",
-                        to=settings.AUTH_USER_MODEL,
-                        verbose_name="User",
-                    ),
-                ),
-            ],
-        ),
-    ]

risks/migrations/0022_alter_notification_options.py

@@ -1,19 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 10:53
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0021_risk_status_notificationpreference"),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name="notification",
-            options={
-                "verbose_name": "Notification",
-                "verbose_name_plural": "Notifications",
-            },
-        ),
-    ]

risks/migrations/0023_notificationrule.py

@@ -1,86 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 12:03
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0022_alter_notification_options"),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name="NotificationRule",
-            fields=[
-                (
-                    "id",
-                    models.BigAutoField(
-                        auto_created=True,
-                        primary_key=True,
-                        serialize=False,
-                        verbose_name="ID",
-                    ),
-                ),
-                (
-                    "kind",
-                    models.CharField(
-                        choices=[
-                            ("risk.created", "Risk created"),
-                            ("risk.updated", "Risk updated"),
-                            ("risk.deleted", "Risk deleted"),
-                            ("risk.review_required", "Risk review required"),
-                            ("risk.review_completed", "Risk review completed"),
-                            ("control.created", "Control created"),
-                            ("control.updated", "Control updated"),
-                            ("control.deleted", "Control deleted"),
-                            ("residual.created", "Residual created"),
-                            ("residual.updated", "Residual updated"),
-                            ("residual.deleted", "Residual deleted"),
-                            ("residual.review_required", "Residual review required"),
-                            ("residual.review_completed", "Residual review completed"),
-                            ("incident.created", "Incident created"),
-                            ("incident.updated", "Incident updated"),
-                            ("incident.deleted", "Incident deleted"),
-                            ("user.created", "User created"),
-                            ("user.deleted", "User deleted"),
-                        ],
-                        max_length=40,
-                        unique=True,
-                        verbose_name="Event",
-                    ),
-                ),
-                (
-                    "enabled_in_app",
-                    models.BooleanField(default=True, verbose_name="Show in app"),
-                ),
-                (
-                    "enabled_email",
-                    models.BooleanField(default=False, verbose_name="Send via email"),
-                ),
-                (
-                    "to_owner",
-                    models.BooleanField(
-                        default=True,
-                        verbose_name="Send to owner/responsible/reporter (if available)",
-                    ),
-                ),
-                (
-                    "to_staff",
-                    models.BooleanField(
-                        default=False, verbose_name="Send to all staff"
-                    ),
-                ),
-                (
-                    "extra_recipients",
-                    models.TextField(
-                        blank=True,
-                        verbose_name="Extra recipients (emails, comma or newline separated)",
-                    ),
-                ),
-            ],
-            options={
-                "verbose_name": "Notification rule",
-                "verbose_name_plural": "Notification rules",
-            },
-        ),
-    ]

risks/migrations/0024_risk_effects.py

@@ -1,17 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 12:44
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0023_notificationrule"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="risk",
-            name="effects",
-            field=models.TextField(blank=True, null=True, verbose_name="Effects"),
-        ),
-    ]

risks/migrations/0025_alter_control_risks.py

@@ -1,19 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 12:59
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0024_risk_effects"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="control",
-            name="risks",
-            field=models.ManyToManyField(
-                blank=True, null=True, related_name="controls", to="risks.risk"
-            ),
-        ),
-    ]

risks/migrations/0026_alter_control_risks.py

@@ -1,19 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-10 12:59
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0025_alter_control_risks"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="control",
-            name="risks",
-            field=models.ManyToManyField(
-                blank=True, related_name="controls", to="risks.risk"
-            ),
-        ),
-    ]

risks/migrations/0027_notification_content_type_notification_kind_and_more.py

@@ -1,57 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-12 10:44
-
-import django.db.models.deletion
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("contenttypes", "0002_remove_content_type_name"),
-        ("risks", "0026_alter_control_risks"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="notification",
-            name="content_type",
-            field=models.ForeignKey(
-                blank=True,
-                null=True,
-                on_delete=django.db.models.deletion.CASCADE,
-                to="contenttypes.contenttype",
-            ),
-        ),
-        migrations.AddField(
-            model_name="notification",
-            name="kind",
-            field=models.CharField(
-                choices=[
-                    ("risk.created", "Risk created"),
-                    ("risk.updated", "Risk updated"),
-                    ("risk.deleted", "Risk deleted"),
-                    ("risk.review_required", "Risk review required"),
-                    ("risk.review_completed", "Risk review completed"),
-                    ("control.created", "Control created"),
-                    ("control.updated", "Control updated"),
-                    ("control.deleted", "Control deleted"),
-                    ("residual.created", "Residual created"),
-                    ("residual.updated", "Residual updated"),
-                    ("residual.deleted", "Residual deleted"),
-                    ("residual.review_required", "Residual review required"),
-                    ("residual.review_completed", "Residual review completed"),
-                    ("incident.created", "Incident created"),
-                    ("incident.updated", "Incident updated"),
-                    ("incident.deleted", "Incident deleted"),
-                    ("user.created", "User created"),
-                    ("user.deleted", "User deleted"),
-                ],
-                default="",
-                max_length=40,
-            ),
-        ),
-        migrations.AddField(
-            model_name="notification",
-            name="object_id",
-            field=models.PositiveIntegerField(blank=True, null=True),
-        ),
-    ]

risks/migrations/0028_notification_target_url.py

@@ -1,17 +0,0 @@
-# Generated by Django 5.2.6 on 2025-09-16 12:02
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("risks", "0027_notification_content_type_notification_kind_and_more"),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name="notification",
-            name="target_url",
-            field=models.CharField(blank=True, max_length=500, null=True),
-        ),
-    ]

risks/models.py

@@ -1,443 +0,0 @@
-import datetime
-import json
-from django.conf import settings
-from django.contrib.auth.models import AbstractUser
-from django.contrib.contenttypes.fields import GenericForeignKey
-from django.contrib.contenttypes.models import ContentType
-from django.core.serializers.json import DjangoJSONEncoder
-from django.db import models
-from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
-from multiselectfield import MultiSelectField
-
-
-# ---------------------------------------------------------------------------
-# SafeJSONEncoder
-# ---------------------------------------------------------------------------
-class SafeJSONEncoder(DjangoJSONEncoder):
-    """JSON encoder that can handle datetime.date properly."""
-    def default(self, obj):
-        if isinstance(obj, datetime.date):
-            return obj.isoformat()
-        return super().default(obj)
-
-
-# ---------------------------------------------------------------------------
-# User
-# ---------------------------------------------------------------------------
-class User(AbstractUser):
-    """Custom user model to support both local and SSO users."""
-    is_sso_user = models.BooleanField(default=False)
-
-    @property
-    def risks_owned(self):
-        """All risks where the user is the risk owner."""
-        return self.owned_risks.all()
-
-    @property
-    def controls_responsible(self):
-        """All controls where the user is responsible."""
-        return self.responsible_controls.all()
-
-
-# ---------------------------------------------------------------------------
-# Risk
-# ---------------------------------------------------------------------------
-class Risk(models.Model):
-
-    class Meta:
-        verbose_name = _("Risk")
-        verbose_name_plural = _("Risks")
-
-    STATUS_CHOICES = [
-        ("open", _("Open")),
-        ("in_progress", _("In Progress")),
-        ("closed", _("Closed")),
-        ("review_required", _("Review required")),
-    ]
-    LIKELIHOOD_CHOICES = [
-        (1, _("Very low – occurs less than once every 5 years")),
-        (2, _("Low – once every 1–5 years")),
-        (3, _("Likely – once per year or more")),
-        (4, _("Very likely – multiple times per year/monthly")),
-    ]
-    IMPACT_CHOICES = [
-        (1, _("Very Low (< 1,000 € – minor operational impact)")),
-        (2, _("Low (1,000–5,000 € – local impact)")),
-        (3, _("High (5,000–15,000 € – team-level impact)")),
-        (4, _("Severe (50,000–100,000 € – regional impact)")),
-        (5, _("Critical (> 100,000 € – existential threat)")),
-    ]
-    CIA_CHOICES = [
-        ("1", _("Confidentiality")),
-        ("2", _("Integrity")),
-        ("3", _("Availability")),
-    ]
-
-    # Basic information
-    title = models.CharField(_("Title"), max_length=255)
-    description = models.TextField(_("Description"), max_length=225, blank=True, null=True)
-    asset = models.CharField(_("Asset"), max_length=255, blank=True, null=True)
-    process = models.CharField(_("Process"), max_length=255, blank=True, null=True)
-    category = models.CharField(_("Category"), max_length=255, blank=True, null=True)
-    created_at = models.DateTimeField(_("Created at"), auto_now_add=True)
-    updated_at = models.DateTimeField(_("Updated at"), auto_now=True)
-    effects = models.TextField(_("Effects"), blank=True, null=True)
-    status = models.CharField(
-        _("Status"),
-        max_length=20,
-        choices=STATUS_CHOICES,
-        default="open",
-        db_index=True,
-    )
-
-    # CIA Protection Goals
-    cia = MultiSelectField(choices=CIA_CHOICES, max_length=100, blank=True, null=True)
-
-    # Risk evaluation before controls
-    likelihood = models.IntegerField(choices=LIKELIHOOD_CHOICES, default=1)
-    impact = models.IntegerField(choices=IMPACT_CHOICES, default=1)
-
-    # Calculated fields
-    score = models.IntegerField(editable=False)
-    level = models.CharField(max_length=50, editable=False)
-
-    # Ownership
-    owner = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.SET_NULL,
-        null=True,
-        related_name="owned_risks"
-    )
-
-    # Reminder / follow-up date
-    follow_up = models.DateField(blank=True, null=True)
-
-    def save(self, *args, **kwargs):
-        # Mark for review if likelihood/impact changed
-        if self.pk:
-            old = Risk.objects.get(pk=self.pk)
-            if old.likelihood != self.likelihood or old.impact != self.impact:
-                self.review_required = True
-                self.status = "review_required"
-
-        # Calculate risk score and level
-        self.score = self.likelihood * self.impact
-        if self.score <= 4:
-            self.level = "Low"
-        elif self.score <= 8:
-            self.level = "Medium"
-        elif self.score <= 12:
-            self.level = "High"
-        else:
-            self.level = "Critical"
-        super().save(*args, **kwargs)
-
-    def __str__(self):
-        return f"{self.title} (Score: {self.score}, Level: {self.level})"
-
-
-# ---------------------------------------------------------------------------
-# Residual Risk
-# ---------------------------------------------------------------------------
-class ResidualRisk(models.Model):
-    """Residual risk after implementing controls."""
-
-    class Meta:
-        verbose_name = _("Residual Risk")
-        verbose_name_plural = _("Residual Risks")
-
-    risk = models.OneToOneField(Risk, on_delete=models.CASCADE, related_name="residual_risk")
-    likelihood = models.IntegerField(choices=Risk.LIKELIHOOD_CHOICES, default=1)
-    impact = models.IntegerField(choices=Risk.IMPACT_CHOICES, default=1)
-    score = models.IntegerField(editable=False)
-    level = models.CharField(max_length=50, editable=False)
-    review_required = models.BooleanField(default=False)
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
-
-    def save(self, *args, **kwargs):
-        if self.pk:
-            old = ResidualRisk.objects.get(pk=self.pk)
-            if old.likelihood != self.likelihood or old.impact != self.impact:
-                self.review_required = True
-                self.status = "review_required"
-
-        # Calculate residual risk score and level
-        self.score = self.likelihood * self.impact
-        if self.score <= 4:
-            self.level = "Low"
-        elif self.score <= 8:
-            self.level = "Medium"
-        elif self.score <= 12:
-            self.level = "High"
-        else:
-            self.level = "Critical"
-
-        super().save(*args, **kwargs)
-
-    def __str__(self):
-        return f"Residual Risk for {self.risk.title} (Score: {self.score}, Level: {self.level})"
-
-
-# ---------------------------------------------------------------------------
-# Control
-# ---------------------------------------------------------------------------
-class Control(models.Model):
-    """Security control/measure linked to a risk."""
-
-    class Meta:
-        verbose_name = _("Control")
-        verbose_name_plural = _("Controls")
-
-    STATUS_CHOICES = [
-        ("planned", _("Planned")),
-        ("in_progress", _("In progress")),
-        ("completed", _("Completed")),
-        ("verified", _("Verified")),
-        ("rejected", _("Rejected")),
-    ]
-
-    title = models.CharField(_("Title"), max_length=255)
-    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default="planned")
-    due_date = models.DateField(blank=True, null=True)
-    responsible = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.SET_NULL,
-        null=True,
-        related_name="responsible_controls"
-    )
-    description = models.TextField(blank=True, null=True)
-    wiki_link = models.URLField(blank=True, null=True)
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
-
-    # Relation to risk
-    risks = models.ManyToManyField(Risk, related_name="controls", blank=True)
-
-    def __str__(self):
-        return f"{self.title} ({self.get_status_display()})"
-
-
-# ---------------------------------------------------------------------------
-# AuditLog
-# ---------------------------------------------------------------------------
-class AuditLog(models.Model):
-    """Generic audit log entry for tracking changes."""
-
-    class Meta:
-        verbose_name = _("Auditlog")
-        verbose_name_plural = _("Auditlogs")
-
-    ACTION_CHOICES = [
-        ("create", "Created"),
-        ("update", "Updated"),
-        ("delete", "Deleted"),
-    ]
-
-    user = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        null=True, blank=True,
-        on_delete=models.SET_NULL,
-        related_name="audit_logs"
-    )
-    action = models.CharField(max_length=10, choices=ACTION_CHOICES)
-    model = models.CharField(max_length=100)
-    object_id = models.CharField(max_length=50)
-    changes = models.JSONField(null=True, blank=True, encoder=SafeJSONEncoder)
-    timestamp = models.DateTimeField(auto_now_add=True)
-
-    def __str__(self):
-        return f"[{self.timestamp}] {self.user} {self.action} {self.model}({self.object_id})"
-
-
-# ---------------------------------------------------------------------------
-# Incident
-# ---------------------------------------------------------------------------
-class Incident(models.Model):
-    """Incidents and related risks."""
-
-    class Meta:
-        verbose_name = _("Incident")
-        verbose_name_plural = _("Incidents")
-
-    STATUS_CHOICES = [
-        ("open", _("Opened")),
-        ("in_progress", _("In Progress")),
-        ("closed", _("Closed")),
-    ]
-
-    title = models.CharField(_("Title"), max_length=255)
-    description = models.TextField(_("Description"), blank=True, null=True)
-    date_reported = models.DateField(_("Date reported"), blank=True, null=True)
-    reported_by = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        verbose_name=_("Reported by"),
-        null=True, blank=True,
-        on_delete=models.SET_NULL,
-        related_name="incidents"
-    )
-    status = models.CharField(max_length=12, choices=STATUS_CHOICES)
-    related_risks = models.ManyToManyField(Risk, blank=True, related_name="incidents")
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
-
-
-# ---------------------------------------------------------------------------
-# NotificationKind
-# ---------------------------------------------------------------------------
-class NotificationKind(models.TextChoices):
-    """Event types for notifications."""
-    RISK_CREATED = "risk.created", _("Risk created")
-    RISK_UPDATED = "risk.updated", _("Risk updated")
-    RISK_DELETED = "risk.deleted", _("Risk deleted")
-    RISK_REVIEW_REQUIRED = "risk.review_required", _("Risk review required")
-    RISK_REVIEW_COMPLETED = "risk.review_completed", _("Risk review completed")
-
-    CONTROL_CREATED = "control.created", _("Control created")
-    CONTROL_UPDATED = "control.updated", _("Control updated")
-    CONTROL_DELETED = "control.deleted", _("Control deleted")
-
-    RESIDUAL_CREATED = "residual.created", _("Residual created")
-    RESIDUAL_UPDATED = "residual.updated", _("Residual updated")
-    RESIDUAL_DELETED = "residual.deleted", _("Residual deleted")
-    RESIDUAL_REVIEW_REQUIRED = "residual.review_required", _("Residual review required")
-    RESIDUAL_REVIEW_COMPLETED = "residual.review_completed", _("Residual review completed")
-
-    INCIDENT_CREATED = "incident.created", _("Incident created")
-    INCIDENT_UPDATED = "incident.updated", _("Incident updated")
-    INCIDENT_DELETED = "incident.deleted", _("Incident deleted")
-
-    USER_CREATED = "user.created", _("User created")
-    USER_DELETED = "user.deleted", _("User deleted")
-
-
-# ---------------------------------------------------------------------------
-# Notification
-# ---------------------------------------------------------------------------
-class Notification(models.Model):
-
-    class Meta:
-        verbose_name = _("Notification")
-        verbose_name_plural = _("Notifications")
-
-    user = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.SET_NULL,
-        null=True, blank=True,
-        related_name="notifications"
-    )
-    message = models.TextField()
-    kind = models.CharField(max_length=40, choices=NotificationKind.choices, default="")
-    created_at = models.DateTimeField(auto_now_add=True)
-    read = models.BooleanField(default=False)  # Read in WebApp
-    sent = models.BooleanField(default=False)  # Sent via Mail (optional)
-
-    # Optional relation to any object
-    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE, null=True, blank=True)
-    object_id = models.PositiveIntegerField(null=True, blank=True)
-    related_object = GenericForeignKey("content_type", "object_id")
-    target_url = models.CharField(max_length=500, blank=True, null=True)
-
-    def __str__(self):
-        user_display = self.user.username if self.user else "System"
-        return f"{user_display}: {self.message[:50]}..."
-
-    def get_link(self):
-        """Return URL to the related object if available."""
-        if not self.related_object:
-            return None
-        model_name = self.content_type.model
-        if model_name == "risk":
-            return reverse("risks:show_risk", args=[self.object_id])
-        if model_name == "control":
-            return reverse("risks:show_control", args=[self.object_id])
-        if model_name == "incident":
-            return reverse("risks:show_incident", args=[self.object_id])
-        return None
-
-
-# ---------------------------------------------------------------------------
-# NotificationPreference
-# ---------------------------------------------------------------------------
-class NotificationPreference(models.Model):
-    """User-specific notification preferences."""
-
-    user = models.OneToOneField(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.CASCADE,
-        related_name="notification_preference",
-        verbose_name=_("User"),
-    )
-
-    # Risks
-    risk_created = models.BooleanField(default=True)
-    risk_updated = models.BooleanField(default=True)
-    risk_deleted = models.BooleanField(default=True)
-
-    # Controls
-    control_created = models.BooleanField(default=True)
-    control_updated = models.BooleanField(default=True)
-    control_deleted = models.BooleanField(default=True)
-
-    # Residual risks
-    residual_created = models.BooleanField(default=True)
-    residual_updated = models.BooleanField(default=True)
-    residual_deleted = models.BooleanField(default=True)
-
-    # Reviews
-    review_required = models.BooleanField(default=True)
-    review_completed = models.BooleanField(default=True)
-
-    # Users
-    user_created = models.BooleanField(default=False)
-    user_deleted = models.BooleanField(default=False)
-
-    # Incidents
-    incident_created = models.BooleanField(default=True)
-    incident_updated = models.BooleanField(default=True)
-    incident_deleted = models.BooleanField(default=True)
-
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
-
-    def __str__(self):
-        return f"Prefs({self.user})"
-
-    def should_notify(self, event_code: str) -> bool:
-        """Return True if user wants notifications for this event code."""
-        return bool(getattr(self, event_code, False))
-
-
-# ---------------------------------------------------------------------------
-# NotificationRule
-# ---------------------------------------------------------------------------
-class NotificationRule(models.Model):
-    """Global rules: Which events trigger in-app and/or email notifications."""
-
-    class Meta:
-        verbose_name = _("Notification rule")
-        verbose_name_plural = _("Notification rules")
-
-    kind = models.CharField(
-        _("Event"),
-        max_length=40,
-        choices=NotificationKind.choices,
-        unique=True,
-    )
-    enabled_in_app = models.BooleanField(_("Show in app"), default=True)
-    enabled_email = models.BooleanField(_("Send via email"), default=False)
-
-    # Recipient groups
-    to_owner = models.BooleanField(
-        _("Send to owner/responsible/reporter (if available)"),
-        default=True,
-    )
-    to_staff = models.BooleanField(_("Send to all staff"), default=False)
-    extra_recipients = models.TextField(
-        _("Extra recipients (emails, comma or newline separated)"),
-        blank=True,
-    )
-
-    def __str__(self):
-        return self.get_kind_display() or self.kind

risks/models/__init__.py

@@ -0,0 +1,13 @@
+from .auditlog import AuditLog
+from .control import Control
+from .incident import Incident
+from .notification import Notification
+from .notification_kind import NotificationKind
+from .notification_preference import NotificationPreference
+from .notification_rule import NotificationRule
+from .residual_risk import ResidualRisk
+from .risk import Risk
+from .user import User
+
+
+__all__ = ["AuditLog", "Control", "Incident", "Notification", "NotificationKind", "NotificationPreference", "NotificationRule", "ResidualRisk", "Risk", "User"]

risks/models/auditlog.py

@@ -0,0 +1,48 @@
+from django.db import models
+from django.conf import settings
+from django.core.serializers.json import DjangoJSONEncoder
+from django.utils.translation import gettext_lazy as _
+from .safe_json_encoder import SafeJSONEncoder
+import datetime
+
+# ---------------------------------------------------------------------------
+# SafeJSONEncoder
+# ---------------------------------------------------------------------------
+class SafeJSONEncoder(DjangoJSONEncoder):
+    """JSON encoder that can handle datetime.date properly."""
+    def default(self, obj):
+        if isinstance(obj, datetime.date):
+            return obj.isoformat()
+        return super().default(obj)
+
+
+# ---------------------------------------------------------------------------
+# AuditLog
+# ---------------------------------------------------------------------------
+class AuditLog(models.Model):
+    """Generic audit log entry for tracking changes."""
+
+    class Meta:
+        verbose_name = _("Auditlog")
+        verbose_name_plural = _("Auditlogs")
+
+    ACTION_CHOICES = [
+        ("create", "Created"),
+        ("update", "Updated"),
+        ("delete", "Deleted"),
+    ]
+
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        null=True, blank=True,
+        on_delete=models.SET_NULL,
+        related_name="audit_logs"
+    )
+    action = models.CharField(max_length=10, choices=ACTION_CHOICES)
+    model = models.CharField(max_length=100)
+    object_id = models.CharField(max_length=50)
+    changes = models.JSONField(null=True, blank=True, encoder=SafeJSONEncoder)
+    timestamp = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"[{self.timestamp}] {self.user} {self.action} {self.model}({self.object_id})"

risks/models/control.py

@@ -0,0 +1,41 @@
+from django.db import models
+from django.conf import settings
+from django.utils.translation import gettext_lazy as _
+
+# ---------------------------------------------------------------------------
+# Control
+# ---------------------------------------------------------------------------
+class Control(models.Model):
+    """Security control/measure linked to a risk."""
+
+    class Meta:
+        verbose_name = _("Control")
+        verbose_name_plural = _("Controls")
+
+    STATUS_CHOICES = [
+        ("planned", _("Planned")),
+        ("in_progress", _("In progress")),
+        ("completed", _("Completed")),
+        ("verified", _("Verified")),
+        ("rejected", _("Rejected")),
+    ]
+
+    title = models.CharField(_("Title"), max_length=255)
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default="planned")
+    due_date = models.DateField(blank=True, null=True)
+    responsible = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name="responsible_controls"
+    )
+    description = models.TextField(blank=True, null=True)
+    wiki_link = models.URLField(blank=True, null=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    # Relation to risk
+    risks = models.ManyToManyField("Risk", related_name="controls", blank=True)
+
+    def __str__(self):
+        return f"{self.title} ({self.get_status_display()})"

risks/models/incident.py

@@ -0,0 +1,35 @@
+from django.db import models
+from django.conf import settings
+from django.utils.translation import gettext_lazy as _
+
+# ---------------------------------------------------------------------------
+# Incident
+# ---------------------------------------------------------------------------
+class Incident(models.Model):
+    """Incidents and related risks."""
+
+    class Meta:
+        verbose_name = _("Incident")
+        verbose_name_plural = _("Incidents")
+
+    STATUS_CHOICES = [
+        ("open", _("Opened")),
+        ("in_progress", _("In Progress")),
+        ("closed", _("Closed")),
+    ]
+
+    title = models.CharField(_("Title"), max_length=255)
+    description = models.TextField(_("Description"), blank=True, null=True)
+    date_reported = models.DateField(_("Date reported"), blank=True, null=True)
+    reported_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        verbose_name=_("Reported by"),
+        null=True, blank=True,
+        on_delete=models.SET_NULL,
+        related_name="incidents"
+    )
+    status = models.CharField(max_length=12, choices=STATUS_CHOICES)
+    related_risks = models.ManyToManyField("Risk", blank=True, related_name="incidents")
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+

risks/models/notification.py

@@ -0,0 +1,51 @@
+from django.db import models
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
+from django.conf import settings
+from django.urls import reverse
+from django.utils.translation import gettext_lazy as _
+from .notification_kind import NotificationKind
+
+# ---------------------------------------------------------------------------
+# Notification
+# ---------------------------------------------------------------------------
+class Notification(models.Model):
+
+    class Meta:
+        verbose_name = _("Notification")
+        verbose_name_plural = _("Notifications")
+
+    user = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.SET_NULL,
+        null=True, blank=True,
+        related_name="notifications"
+    )
+    message = models.TextField()
+    kind = models.CharField(max_length=40, choices=NotificationKind.choices, default="")
+    created_at = models.DateTimeField(auto_now_add=True)
+    read = models.BooleanField(default=False)  # Read in WebApp
+    sent = models.BooleanField(default=False)  # Sent via Mail (optional)
+
+    # Optional relation to any object
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE, null=True, blank=True)
+    object_id = models.PositiveIntegerField(null=True, blank=True)
+    related_object = GenericForeignKey("content_type", "object_id")
+    target_url = models.CharField(max_length=500, blank=True, null=True)
+
+    def __str__(self):
+        user_display = self.user.username if self.user else "System"
+        return f"{user_display}: {self.message[:50]}..."
+
+    def get_link(self):
+        """Return URL to the related object if available."""
+        if not self.related_object:
+            return None
+        model_name = self.content_type.model
+        if model_name == "risk":
+            return reverse("risks:show_risk", args=[self.object_id])
+        if model_name == "control":
+            return reverse("risks:show_control", args=[self.object_id])
+        if model_name == "incident":
+            return reverse("risks:show_incident", args=[self.object_id])
+        return None

risks/models/notification_kind.py

@@ -0,0 +1,32 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+# ---------------------------------------------------------------------------
+# NotificationKind
+# ---------------------------------------------------------------------------
+class NotificationKind(models.TextChoices):
+    """Event types for notifications."""
+    RISK_CREATED = "risk.created", _("Risk created")
+    RISK_UPDATED = "risk.updated", _("Risk updated")
+    RISK_DELETED = "risk.deleted", _("Risk deleted")
+    RISK_REVIEW_REQUIRED = "risk.review_required", _("Risk review required")
+    RISK_REVIEW_COMPLETED = "risk.review_completed", _("Risk review completed")
+
+    CONTROL_CREATED = "control.created", _("Control created")
+    CONTROL_UPDATED = "control.updated", _("Control updated")
+    CONTROL_DELETED = "control.deleted", _("Control deleted")
+
+    RESIDUAL_CREATED = "residual.created", _("Residual created")
+    RESIDUAL_UPDATED = "residual.updated", _("Residual updated")
+    RESIDUAL_DELETED = "residual.deleted", _("Residual deleted")
+    RESIDUAL_REVIEW_REQUIRED = "residual.review_required", _("Residual review required")
+    RESIDUAL_REVIEW_COMPLETED = "residual.review_completed", _("Residual review completed")
+
+    INCIDENT_CREATED = "incident.created", _("Incident created")
+    INCIDENT_UPDATED = "incident.updated", _("Incident updated")
+    INCIDENT_DELETED = "incident.deleted", _("Incident deleted")
+
+    USER_CREATED = "user.created", _("User created")
+    USER_DELETED = "user.deleted", _("User deleted")
+
+

risks/models/notification_preference.py

@@ -0,0 +1,54 @@
+from django.db import models
+from django.conf import settings
+from django.utils.translation import gettext_lazy as _
+
+# ---------------------------------------------------------------------------
+# NotificationPreference
+# ---------------------------------------------------------------------------
+class NotificationPreference(models.Model):
+    """User-specific notification preferences."""
+
+    user = models.OneToOneField(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name="notification_preference",
+        verbose_name=_("User"),
+    )
+
+    # Risks
+    risk_created = models.BooleanField(default=True)
+    risk_updated = models.BooleanField(default=True)
+    risk_deleted = models.BooleanField(default=True)
+
+    # Controls
+    control_created = models.BooleanField(default=True)
+    control_updated = models.BooleanField(default=True)
+    control_deleted = models.BooleanField(default=True)
+
+    # Residual risks
+    residual_created = models.BooleanField(default=True)
+    residual_updated = models.BooleanField(default=True)
+    residual_deleted = models.BooleanField(default=True)
+
+    # Reviews
+    review_required = models.BooleanField(default=True)
+    review_completed = models.BooleanField(default=True)
+
+    # Users
+    user_created = models.BooleanField(default=False)
+    user_deleted = models.BooleanField(default=False)
+
+    # Incidents
+    incident_created = models.BooleanField(default=True)
+    incident_updated = models.BooleanField(default=True)
+    incident_deleted = models.BooleanField(default=True)
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return f"Prefs({self.user})"
+
+    def should_notify(self, event_code: str) -> bool:
+        """Return True if user wants notifications for this event code."""
+        return bool(getattr(self, event_code, False))

risks/models/notification_rule.py

@@ -0,0 +1,36 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from .notification_kind import NotificationKind
+
+# ---------------------------------------------------------------------------
+# NotificationRule
+# ---------------------------------------------------------------------------
+class NotificationRule(models.Model):
+    """Global rules: Which events trigger in-app and/or email notifications."""
+
+    class Meta:
+        verbose_name = _("Notification rule")
+        verbose_name_plural = _("Notification rules")
+
+    kind = models.CharField(
+        _("Event"),
+        max_length=40,
+        choices=NotificationKind.choices,
+        unique=True,
+    )
+    enabled_in_app = models.BooleanField(_("Show in app"), default=True)
+    enabled_email = models.BooleanField(_("Send via email"), default=False)
+
+    # Recipient groups
+    to_owner = models.BooleanField(
+        _("Send to owner/responsible/reporter (if available)"),
+        default=True,
+    )
+    to_staff = models.BooleanField(_("Send to all staff"), default=False)
+    extra_recipients = models.TextField(
+        _("Extra recipients (emails, comma or newline separated)"),
+        blank=True,
+    )
+
+    def __str__(self):
+        return self.get_kind_display() or self.kind

risks/models/residual_risk.py

@@ -0,0 +1,45 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from .risk import Risk
+
+# ---------------------------------------------------------------------------
+# Residual Risk
+# ---------------------------------------------------------------------------
+class ResidualRisk(models.Model):
+    """Residual risk after implementing controls."""
+
+    class Meta:
+        verbose_name = _("Residual Risk")
+        verbose_name_plural = _("Residual Risks")
+
+    risk = models.OneToOneField("Risk", on_delete=models.CASCADE, related_name="residual_risk")
+    likelihood = models.IntegerField(choices=Risk.LIKELIHOOD_CHOICES, default=1)
+    impact = models.IntegerField(choices=Risk.IMPACT_CHOICES, default=1)
+    score = models.IntegerField(editable=False)
+    level = models.CharField(max_length=50, editable=False)
+    review_required = models.BooleanField(default=False)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def save(self, *args, **kwargs):
+        if self.pk:
+            old = ResidualRisk.objects.get(pk=self.pk)
+            if old.likelihood != self.likelihood or old.impact != self.impact:
+                self.review_required = True
+                self.status = "review_required"
+
+        # Calculate residual risk score and level
+        self.score = self.likelihood * self.impact
+        if self.score <= 4:
+            self.level = "Low"
+        elif self.score <= 8:
+            self.level = "Medium"
+        elif self.score <= 12:
+            self.level = "High"
+        else:
+            self.level = "Critical"
+
+        super().save(*args, **kwargs)
+
+    def __str__(self):
+        return f"Residual Risk for {self.risk.title} (Score: {self.score}, Level: {self.level})"

risks/models/risk.py

@@ -0,0 +1,100 @@
+from django.db import models
+from django.conf import settings
+from django.utils.translation import gettext_lazy as _
+from multiselectfield import MultiSelectField
+
+# ---------------------------------------------------------------------------
+# Risk
+# ---------------------------------------------------------------------------
+class Risk(models.Model):
+
+    class Meta:
+        verbose_name = _("Risk")
+        verbose_name_plural = _("Risks")
+
+    STATUS_CHOICES = [
+        ("open", _("Open")),
+        ("in_progress", _("In Progress")),
+        ("closed", _("Closed")),
+        ("review_required", _("Review required")),
+    ]
+    LIKELIHOOD_CHOICES = [
+        (1, _("Very low – occurs less than once every 5 years")),
+        (2, _("Low – once every 1–5 years")),
+        (3, _("Likely – once per year or more")),
+        (4, _("Very likely – multiple times per year/monthly")),
+    ]
+    IMPACT_CHOICES = [
+        (1, _("Very Low (< 1,000 € – minor operational impact)")),
+        (2, _("Low (1,000–5,000 € – local impact)")),
+        (3, _("High (5,000–15,000 € – team-level impact)")),
+        (4, _("Severe (50,000–100,000 € – regional impact)")),
+        (5, _("Critical (> 100,000 € – existential threat)")),
+    ]
+    CIA_CHOICES = [
+        ("1", _("Confidentiality")),
+        ("2", _("Integrity")),
+        ("3", _("Availability")),
+    ]
+
+    # Basic information
+    title = models.CharField(_("Title"), max_length=255)
+    description = models.TextField(_("Description"), max_length=225, blank=True, null=True)
+    asset = models.CharField(_("Asset"), max_length=255, blank=True, null=True)
+    process = models.CharField(_("Process"), max_length=255, blank=True, null=True)
+    category = models.CharField(_("Category"), max_length=255, blank=True, null=True)
+    created_at = models.DateTimeField(_("Created at"), auto_now_add=True)
+    updated_at = models.DateTimeField(_("Updated at"), auto_now=True)
+    effects = models.TextField(_("Effects"), blank=True, null=True)
+    status = models.CharField(
+        _("Status"),
+        max_length=20,
+        choices=STATUS_CHOICES,
+        default="open",
+        db_index=True,
+    )
+
+    # CIA Protection Goals
+    cia = MultiSelectField(choices=CIA_CHOICES, max_length=100, blank=True, null=True)
+
+    # Risk evaluation before controls
+    likelihood = models.IntegerField(choices=LIKELIHOOD_CHOICES, default=1)
+    impact = models.IntegerField(choices=IMPACT_CHOICES, default=1)
+
+    # Calculated fields
+    score = models.IntegerField(editable=False)
+    level = models.CharField(max_length=50, editable=False)
+
+    # Ownership
+    owner = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.SET_NULL,
+        null=True,
+        related_name="owned_risks"
+    )
+
+    # Reminder / follow-up date
+    follow_up = models.DateField(blank=True, null=True)
+
+    def save(self, *args, **kwargs):
+        # Mark for review if likelihood/impact changed
+        if self.pk:
+            old = Risk.objects.get(pk=self.pk)
+            if old.likelihood != self.likelihood or old.impact != self.impact:
+                self.review_required = True
+                self.status = "review_required"
+
+        # Calculate risk score and level
+        self.score = self.likelihood * self.impact
+        if self.score <= 4:
+            self.level = "Low"
+        elif self.score <= 8:
+            self.level = "Medium"
+        elif self.score <= 12:
+            self.level = "High"
+        else:
+            self.level = "Critical"
+        super().save(*args, **kwargs)
+
+    def __str__(self):
+        return f"{self.title} (Score: {self.score}, Level: {self.level})"

risks/models/safe_json_encoder.py

@@ -0,0 +1,12 @@
+from django.core.serializers.json import DjangoJSONEncoder
+import datetime
+
+# ---------------------------------------------------------------------------
+# SafeJSONEncoder
+# ---------------------------------------------------------------------------
+class SafeJSONEncoder(DjangoJSONEncoder):
+    """JSON encoder that can handle datetime.date properly."""
+    def default(self, obj):
+        if isinstance(obj, datetime.date):
+            return obj.isoformat()
+        return super().default(obj)

risks/models/user.py

@@ -0,0 +1,19 @@
+from django.contrib.auth.models import AbstractUser
+from django.db import models
+
+# ---------------------------------------------------------------------------
+# User
+# ---------------------------------------------------------------------------
+class User(AbstractUser):
+    """Custom user model to support both local and SSO users."""
+    is_sso_user = models.BooleanField(default=False)
+
+    @property
+    def risks_owned(self):
+        """All risks where the user is the risk owner."""
+        return self.owned_risks.all()
+
+    @property
+    def controls_responsible(self):
+        """All controls where the user is responsible."""
+        return self.responsible_controls.all()